Mitsubishi Electric MELSEC iQ-R Series - Page 216

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12 FILE CONTROL
12.4 File Check
Communication example (files for MELSEC-Q/L series)
Read directory/file information under the following conditions.
• Drive No.: 0
• Head file No.: 1
• Number of requested files: 3
■Data communication in ASCII code
(Request data)
(Response data)
■Data communication in binary code
(Request data)
(Response data)
1810
31 H 38 H 31 H 30 H
0000
30 H 30 H 30 H 30 H
0000
30 H 30 H 30 H 30 H
0000
30 H 30 H 30 H 30 H
0001
30 H 30 H 30 H 31 H
0003
30 H 30 H 30 H 33 H
0000
30 H 30 H 30 H 30 H
Head file
No.
Directory specification
(Fixed values)
Subcommand (Fixed value) Drive No.
Number of
file requests
0003
30 H 30 H 30 H 33 H
0001
30 H 30 H 30 H
A65
41 H 36 H 35 H
D
44 H
3C8
33 H 43 H 38 H
1
31 H
000
30 H 30 H 30 H
004
30 H 30 H 34 H
00
30 H 30 H
31 H
ABCD
41 H 42 H 43 H 44 H
EFGH
45 H 46 H 47 H 48 H
QPG
51 H 50 H 47 H
Number of file information
Directory/
file information 1
Directory/
file information 2
Directory/
file information 3
File name Extension Attribute Spare data
Last edit time Last edit date Spare data File size
"20 h 58 m 58 s" "April 1, 2010"
1k byte
Last edit date and time
(18 bytes)
10 H 18 H 00 H 00 H 00 H 00 H 01 H 00 H 03 H 00 H 30 H 30 H 30 H 30 H 00 H 00 H
Head
file
No.
Subcommand
Drive
No.
Number of
file requests
Directory specification
(Fixed values)
(Fixed value)
03 H 00 H
ABCD
41 H 42 H 43 H 44 H
EFGH
45 H 46 H 47 H
5D H A6 H 81 H 3C H
00 H 04 H 00 H 00 H
48 H
QPG
51 H 50 H 47 H 01 H 00 H
Number of file information
Directory/
file information 1
Directory/
file information 2
Directory/
file information 3
Last edit
time
Last edit
dateFile name Extension Attribute Spare data Spare data File size
"20 h 58 m 58 s" "April 1, 2010"
1k byte
File
Last edit date and time
(9 bytes)